diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/alac.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/libavcodec/alac.c b/libavcodec/alac.c index 3883f418f4..5655ea3c6f 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -139,17 +139,9 @@ static int alac_set_info(ALACContext *alac) return 0; } -/* hideously inefficient. could use a bitmask search, - * alternatively bsr on x86, - */ -static int count_leading_zeros(int32_t input) +static inline int count_leading_zeros(int32_t input) { - int i = 0; - while (!(0x80000000 & input) && i < 32) { - i++; - input = input << 1; - } - return i; + return 31-av_log2(input); } static void bastardized_rice_decompress(ALACContext *alac, |